donna hamilton has this morning's woman's doctor. >> a few months ago bonnie kirby wu diagnosed with liver cancer after she noticed her midsection was swollen. >> i was so bloated. i looked like a bull frog. from there they found that i needed to be drained and that i had three spots, or four spots on my liver. >> we'll see how much that is on the mri. >> doctors say it is prevalent world wide but numbers are increasing dramatically in the united states. the fight against liver cancer, a recent chinese study looked at vitamin e and liver cancer risk after following thousands of men and women for several years. >> they found none of them developed liver cancer, but they were trying to correlate the intake of vitamin e with the risk of liver cancer. they found those people who developed liver cancer had much lower dietary intake of vitamin e. >> at mercy medical center, kelly o'connor said vitamin e is found in many healthy foods. >> so vitamin e is pretty easy to find in things like almonds, walnuts, hazelnuts, vegetables like spinach, broccoli, tomat s tomatoes. >> but the stud d did